78081916

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{919}}^1\times {\mathrm{1931}}^1$

素因数の和:2865

約数の個数: 24

約数和(自身を含む): 149304960

約数和(自身を除く): 71223044

約数列:

[1, 2, 4, 11, 22, 44, 919, 1838, 1931, 3676, 3862, 7724, 10109, 20218, 21241, 40436, 42482, 84964, 1774589, 3549178, 7098356, 19520479, 39040958, 78081916]

約数ペア:

[(1, 78081916), (2, 39040958), (4, 19520479), (11, 7098356), (22, 3549178), (44, 1774589), (919, 84964), (1838, 42482), (1931, 40436), (3676, 21241), (3862, 20218), (7724, 10109)]